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Control RAS overflow mitigation on AMD Zen CPUs

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raja-grewal 2024-01-29 12:59:13 +00:00 • committed by GitHub
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etc/default/grub.d/40_cpu_mitigations.cfg
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@ -68,3 +68,8 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mmio_stale_data=full,nosmt"
## Return Instructions) vulnerability and disable SMT.
##
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt"
## Control RAS overflow mitigation on AMD Zen CPUs.
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX spec_rstack_overflow=safe-ret"